Impeller for a pump



FIG. 1 is a perspective view of an impeller for a pump showing our newdesign;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a top view;

FIG. 5 is a bottom view;

FIG. 6 is a right side view;

FIG. 7 is a left side view;

FIG. 8 is a cross-section view taken along the line 8-8 of FIG. 6;

FIG. 9 is a cross-section view taken along the line 9-9 of FIG. 2;

FIG. 10 is a perspective view of an impeller for a pump showing a secondembodiment of our new design;

FIG. 11 is a front view of FIG. 10;

FIG. 12 is a rear view of FIG. 10;

FIG. 13 is a top view of FIG. 10;

FIG. 14 is a bottom view of FIG. 10;

FIG. 15 is a right side view of FIG. 10;

FIG. 16 is a left side view of FIG. 10;

FIG. 17 is a cross-section view taken along the line 17-17 of FIG. 15;and,

FIG. 18 is a cross-section view taken along the line 18-18 of FIG. 11.

The particular cross-hatching patterns in FIGS. 8, 9, 17 and 18 do notrepresent any particular materials.

CLAIM The ornamental design for an impeller for a pump, as shown anddescribed.